#28618C
Closest named color: Denim (#3B638C). oklch(47.5% 0.091 244.4), rgb(40, 97, 140).
Aa
White text reads best on this color (6.60:1).
About this color
#28618C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.091 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 6.60:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #28618C |
| RGB | rgb(40, 97, 140) |
| HSL | hsl(206, 56%, 35%) |
| OKLCH | oklch(47.5% 0.091 244.4) |
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 #28618C | 6.60:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #28618C | 3.17:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #28618C text on white | 6.60:1 | AA | Lc 82.4 | Fine for body text |
| #28618C text on black | 3.17:1 | AA large text | Lc -19.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#A9C4DC
oklch(80.8% 0.045 245.2)
-
Step 400
400
#7BA6CA
oklch(70.7% 0.07 244.3)
-
Step 500
500
#578FBD
oklch(63% 0.091 244.8)
-
Step 600
600
#3B79A9
oklch(55.7% 0.099 244.3)
-
Step 700
700 (this color)
#28618C
oklch(47.5% 0.091 244.4)
-
Step 800
800
#265375
oklch(42.7% 0.075 243.8)
-
Step 900
900
#24455F
oklch(37.8% 0.059 244.1)
-
Step 950
950
#162837
oklch(26.9% 0.037 244.9)
#28618C 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) | #4E628E | 0.041 |
| Deuteranopia (no green cones) | #40598B | 0.031 |
| Tritanopia (no blue cones) | #006B70 | 0.066 |
| Achromatopsia (no color) | #5D5D5D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28618C
#28618C
oklch(47.5% 0.091 244.4)
- #7F501C
#7F501C
oklch(47.5% 0.091 64.6)
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 #28618C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.020
- Peacock Blue #016795 ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.027
- Dusky Blue #475F94 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.040
- Dusk Blue #26538D ΔE 0.043
- Ocean Blue #03719C ΔE 0.048
Use #28618C 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.