#6991FD
Closest named color: Cornflower Blue (#6495ED). oklch(67.8% 0.166 266.7), rgb(105, 145, 253).
Aa
Black text reads best on this color (7.06:1).
About this color
#6991FD is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.166 and its hue 267°. 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 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #6991FD |
| RGB | rgb(105, 145, 253) |
| HSL | hsl(224, 97%, 70%) |
| OKLCH | oklch(67.8% 0.166 266.7) |
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 #6991FD | 2.97:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #6991FD | 7.06:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #6991FD text on white | 2.97:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #6991FD text on black | 7.06:1 | AAA | Lc -45.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400 (this color)
#6991FD
oklch(67.8% 0.166 266.7)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#3760F7
oklch(55.6% 0.23 266.7)
-
Step 700
700
#2A4ED7
oklch(49.1% 0.213 266.5)
-
Step 800
800
#2341AE
oklch(42.7% 0.177 266.6)
-
Step 900
900
#203989
oklch(37.7% 0.137 266.5)
-
Step 950
950
#132250
oklch(26.9% 0.087 266.8)
#6991FD 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) | #619DFF | 0.030 |
| Deuteranopia (no green cones) | #4C8FFB | 0.030 |
| Tritanopia (no blue cones) | #00A9BB | 0.144 |
| Achromatopsia (no color) | #969696 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6991FD
#6991FD
oklch(67.8% 0.166 266.7)
- #BD9100
#BD9100
oklch(68% 0.139 86.9)
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 #6991FD, 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 0.035
- Chefchaouen Blue #4895EF ΔE 0.040
- Lavender Blue #8B88F8 ΔE 0.045
- Periwinkle Blue #8F99FB ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.055
Use #6991FD 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.