#26387B
Closest named color: Twilight Blue (#0A437A). oklch(36.6% 0.116 268.7), rgb(38, 56, 123).
Aa
White text reads best on this color (10.85:1).
About this color
#26387B is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.116 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.035 away. White text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #26387B |
| RGB | rgb(38, 56, 123) |
| HSL | hsl(227, 53%, 32%) |
| OKLCH | oklch(36.6% 0.116 268.7) |
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 #26387B | 10.85:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #26387B | 1.93:1 | Fails | Lc 9.1 | Not readable |
| #26387B text on white | 10.85:1 | AAA | Lc 94.8 | Preferred for body text |
| #26387B text on black | 1.93:1 | Fails | Lc -7.8 | Not readable |
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 900.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9FA
oklch(88.6% 0.048 268.4)
-
Step 300
300
#A9BFFA
oklch(80.9% 0.087 268.6)
-
Step 400
400
#7D9BF7
oklch(70.6% 0.139 269)
-
Step 500
500
#5E7FF4
oklch(63.1% 0.178 269)
-
Step 600
600
#4665E2
oklch(55.5% 0.193 268.8)
-
Step 700
700
#3853C5
oklch(49.1% 0.18 268.7)
-
Step 800
800
#2E459F
oklch(42.7% 0.149 268.5)
-
Step 900
900 (this color)
#26387B
oklch(36.6% 0.116 268.7)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#26387B 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) | #0D417D | 0.029 |
| Deuteranopia (no green cones) | #00397A | 0.029 |
| Tritanopia (no blue cones) | #004854 | 0.095 |
| Achromatopsia (no color) | #3D3D3D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #26387B
#26387B
oklch(36.6% 0.116 268.7)
- #4F3C00
#4F3C00
oklch(36.7% 0.075 88.5)
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 #26387B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.035
- Marine Blue #01386A ΔE 0.043
- Cobalt #1E488F ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
- Marine #042E60 ΔE 0.066
- Light Navy #155084 ΔE 0.068
- Blueberry #464196 ΔE 0.071
Use #26387B 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.