#6791ED
Closest named color: Cornflower Blue (#6495ED). oklch(66.8% 0.145 264.3), rgb(103, 145, 237).
Aa
Black text reads best on this color (6.84:1).
About this color
#6791ED is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.145 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.011 away. Black text reads best on it, at 6.84:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #6791ED |
| RGB | rgb(103, 145, 237) |
| HSL | hsl(221, 79%, 67%) |
| OKLCH | oklch(66.8% 0.145 264.3) |
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 #6791ED | 3.06:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #6791ED | 6.84:1 | AA | Lc 46.7 | Large or bold text, headings |
| #6791ED text on white | 3.06:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #6791ED text on black | 6.84:1 | AA | Lc -44.4 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300
#AAC1EF
oklch(81% 0.07 264.1)
-
Step 400
400
#7D9FE8
oklch(70.7% 0.114 264.6)
-
Step 500
500 (this color)
#6791ED
oklch(66.8% 0.145 264.3)
-
Step 600
600
#436DCE
oklch(55.5% 0.157 264.3)
-
Step 700
700
#355BB3
oklch(49.2% 0.147 264.2)
-
Step 800
800
#2C4B91
oklch(42.8% 0.121 264)
-
Step 900
900
#283F73
oklch(37.7% 0.094 264.4)
-
Step 950
950
#172543
oklch(26.9% 0.059 264)
#6791ED 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) | #6A9AF1 | 0.024 |
| Deuteranopia (no green cones) | #598EEB | 0.018 |
| Tritanopia (no blue cones) | #00A5B4 | 0.128 |
| Achromatopsia (no color) | #939393 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6791ED
#6791ED
oklch(66.8% 0.145 264.3)
- #BC8C00
#BC8C00
oklch(66.8% 0.137 84.1)
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 #6791ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.011
- Soft Blue #6488EA ΔE 0.024
- Chefchaouen Blue #4895EF ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.038
- Perrywinkle #8F8CE7 ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.059
Use #6791ED 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.