#6F99EE
Closest named color: Cornflower Blue (#6495ED). oklch(68.9% 0.134 263.3), rgb(111, 153, 238).
Aa
Black text reads best on this color (7.46:1).
About this color
#6F99EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.134 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.017 away. Black text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.46:1 |
| White text | 2.81:1 |
Values
| HEX | #6F99EE |
| RGB | rgb(111, 153, 238) |
| HSL | hsl(220, 79%, 68%) |
| OKLCH | oklch(68.9% 0.134 263.3) |
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 #6F99EE | 2.81:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #6F99EE | 7.46:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #6F99EE text on white | 2.81:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #6F99EE text on black | 7.46:1 | AAA | Lc -47.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A5C1F8
oklch(81% 0.084 263.6)
-
Step 400
400 (this color)
#6F99EE
oklch(68.9% 0.134 263.3)
-
Step 500
500
#5184F0
oklch(63.2% 0.171 263.3)
-
Step 600
600
#366ADE
oklch(55.5% 0.186 263.4)
-
Step 700
700
#2958C1
oklch(49.1% 0.173 263.3)
-
Step 800
800
#23489C
oklch(42.6% 0.144 263.6)
-
Step 900
900
#213E7C
oklch(37.8% 0.111 263.2)
-
Step 950
950
#142549
oklch(27.2% 0.071 263.4)
#6F99EE 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) | #77A0F1 | 0.022 |
| Deuteranopia (no green cones) | #6895EC | 0.014 |
| Tritanopia (no blue cones) | #29ACB8 | 0.121 |
| Achromatopsia (no color) | #9A9A9A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F99EE
#6F99EE
oklch(68.9% 0.134 263.3)
- #C3921D
#C3921D
oklch(68.9% 0.134 83)
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 #6F99EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.017
- Chefchaouen Blue #4895EF ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.045
- Soft Blue #6488EA ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.073
Use #6F99EE 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.