#6F91DB
Closest named color: Cornflower Blue (#6495ED). oklch(66.3% 0.117 264.6), rgb(111, 145, 219).
Aa
Black text reads best on this color (6.74:1).
About this color
#6F91DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.117 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #6F91DB |
| RGB | rgb(111, 145, 219) |
| HSL | hsl(221, 60%, 65%) |
| OKLCH | oklch(66.3% 0.117 264.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6F91DB | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #6F91DB | 6.74:1 | AA | Lc 46.1 | Large or bold text, headings |
| #6F91DB text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #6F91DB text on black | 6.74:1 | AA | Lc -43.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AEC1E7
oklch(80.9% 0.058 264.2)
-
Step 400
400
#84A0DA
oklch(70.7% 0.091 264.3)
-
Step 500
500 (this color)
#6F91DB
oklch(66.3% 0.117 264.6)
-
Step 600
600
#4D70BE
oklch(55.7% 0.128 264.4)
-
Step 700
700
#3E5DA3
oklch(49% 0.118 264.5)
-
Step 800
800
#344C84
oklch(42.6% 0.098 265)
-
Step 900
900
#2D406A
oklch(37.7% 0.076 264.6)
-
Step 950
950
#1B263E
oklch(27.1% 0.048 264.7)
#6F91DB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7597DE | 0.018 |
| Deuteranopia (no green cones) | #698ED9 | 0.012 |
| Tritanopia (no blue cones) | #40A1AC | 0.105 |
| Achromatopsia (no color) | #929292 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F91DB
#6F91DB
oklch(66.3% 0.117 264.6)
- #B48C30
#B48C30
oklch(66.2% 0.117 84.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6F91DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Soft Blue #6488EA ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.048
- Faded Blue #658CBB ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.066
Use #6F91DB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.