#6F90E2
Closest named color: Cornflower Blue (#6495ED). oklch(66.4% 0.128 266.4), rgb(111, 144, 226).
Aa
Black text reads best on this color (6.76:1).
About this color
#6F90E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.128 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.021 away. Black text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #6F90E2 |
| RGB | rgb(111, 144, 226) |
| HSL | hsl(223, 66%, 66%) |
| OKLCH | oklch(66.4% 0.128 266.4) |
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 #6F90E2 | 3.10:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #6F90E2 | 6.76:1 | AA | Lc 46.2 | Large or bold text, headings |
| #6F90E2 text on white | 3.10:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #6F90E2 text on black | 6.76:1 | AA | Lc -43.9 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F1
oklch(88.4% 0.035 266)
-
Step 300
300
#AEC0EA
oklch(80.8% 0.063 266.8)
-
Step 400
400
#849FE0
oklch(70.8% 0.1 266.6)
-
Step 500
500 (this color)
#6F90E2
oklch(66.4% 0.128 266.4)
-
Step 600
600
#4D6EC4
oklch(55.6% 0.139 266.2)
-
Step 700
700
#3E5BA9
oklch(49% 0.129 266.4)
-
Step 800
800
#344B89
oklch(42.7% 0.107 266.6)
-
Step 900
900
#2D3F6E
oklch(37.7% 0.084 266.6)
-
Step 950
950
#1A2540
oklch(26.9% 0.053 266.2)
#6F90E2 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) | #7098E5 | 0.021 |
| Deuteranopia (no green cones) | #638DE0 | 0.017 |
| Tritanopia (no blue cones) | #3AA2AE | 0.116 |
| Achromatopsia (no color) | #929292 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F90E2
#6F90E2
oklch(66.4% 0.128 266.4)
- #B68D1D
#B68D1D
oklch(66.5% 0.128 86.3)
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 #6F90E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.021
- Soft Blue #6488EA ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.040
- Perrywinkle #8F8CE7 ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.060
- Faded Blue #658CBB ΔE 0.061
Use #6F90E2 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.