#155392
Closest named color: Dusk Blue (#26538D). oklch(43.9% 0.12 252.9), rgb(21, 83, 146).
Aa
White text reads best on this color (7.82:1).
About this color
#155392 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.120 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #155392 |
| RGB | rgb(21, 83, 146) |
| HSL | hsl(210, 75%, 33%) |
| OKLCH | oklch(43.9% 0.12 252.9) |
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 #155392 | 7.82:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #155392 | 2.68:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #155392 text on white | 7.82:1 | AAA | Lc 86.7 | Fine for body text |
| #155392 text on black | 2.68:1 | Fails | Lc -15.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A1C4EE
oklch(80.9% 0.071 253.2)
-
Step 400
400
#6CA4E5
oklch(70.7% 0.113 253)
-
Step 500
500
#428CDD
oklch(63.1% 0.143 252.8)
-
Step 600
600
#1D74CB
oklch(55.6% 0.156 253)
-
Step 700
700
#0C61B0
oklch(49.2% 0.145 253)
-
Step 800
800 (this color)
#155392
oklch(43.9% 0.12 252.9)
-
Step 900
900
#174371
oklch(37.8% 0.092 252.4)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#155392 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) | #335894 | 0.030 |
| Deuteranopia (no green cones) | #1C4D91 | 0.017 |
| Tritanopia (no blue cones) | #00626B | 0.089 |
| Achromatopsia (no color) | #525252 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155392
#155392
oklch(43.9% 0.12 252.9)
- #714900
#714900
oklch(44% 0.094 73.4)
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 #155392, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Light Navy #155084 ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.029
- Cobalt #1E488F ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.043
- Peacock Blue #016795 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.060
Use #155392 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.