#155994
Closest named color: Dusk Blue (#26538D). oklch(45.5% 0.116 249.9), rgb(21, 89, 148).
Aa
White text reads best on this color (7.27:1).
About this color
#155994 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.116 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.27:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #155994 |
| RGB | rgb(21, 89, 148) |
| HSL | hsl(208, 75%, 33%) |
| OKLCH | oklch(45.5% 0.116 249.9) |
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 #155994 | 7.27:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #155994 | 2.88:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #155994 text on white | 7.27:1 | AAA | Lc 84.8 | Fine for body text |
| #155994 text on black | 2.88:1 | Fails | Lc -17.2 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400
#6AA5E2
oklch(70.6% 0.109 250.4)
-
Step 500
500
#3D8ED9
oklch(63.2% 0.138 249.5)
-
Step 600
600
#1176C7
oklch(55.6% 0.151 249.9)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800 (this color)
#155994
oklch(45.5% 0.116 249.9)
-
Step 900
900
#13446F
oklch(37.8% 0.09 249.2)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#155994 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) | #3C5D96 | 0.036 |
| Deuteranopia (no green cones) | #285193 | 0.024 |
| Tritanopia (no blue cones) | #00676F | 0.084 |
| Achromatopsia (no color) | #575757 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155994
#155994
oklch(45.5% 0.116 249.9)
- #794B00
#794B00
oklch(45.5% 0.099 69.8)
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 #155994, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.034
- Light Navy #155084 ΔE 0.035
- Peacock Blue #016795 ΔE 0.041
- Cobalt #1E488F ΔE 0.048
- Denim #3B638C ΔE 0.049
Use #155994 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.