#155489
Closest named color: Light Navy (#155084). oklch(43.6% 0.107 248.9), rgb(21, 84, 137).
Aa
White text reads best on this color (7.89:1).
About this color
#155489 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.107 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.013 away. White text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.66:1 |
| White text | 7.89:1 |
Values
| HEX | #155489 |
| RGB | rgb(21, 84, 137) |
| HSL | hsl(207, 73%, 31%) |
| OKLCH | oklch(43.6% 0.107 248.9) |
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 #155489 | 7.89:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #155489 | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #155489 text on white | 7.89:1 | AAA | Lc 87.0 | Fine for body text |
| #155489 text on black | 2.66:1 | Fails | Lc -15.1 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C5E8
oklch(81% 0.062 248.6)
-
Step 400
400
#6EA6DC
oklch(70.8% 0.099 248.5)
-
Step 500
500
#448ED3
oklch(63.1% 0.128 249.1)
-
Step 600
600
#1E77C0
oklch(55.6% 0.139 248.8)
-
Step 700
700
#0E64A6
oklch(49.2% 0.129 248.8)
-
Step 800
800 (this color)
#155489
oklch(43.6% 0.107 248.9)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#0F283F
oklch(27% 0.053 248.7)
#155489 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) | #3B578B | 0.036 |
| Deuteranopia (no green cones) | #294D88 | 0.023 |
| Tritanopia (no blue cones) | #006168 | 0.077 |
| Achromatopsia (no color) | #515151 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155489
#155489
oklch(43.6% 0.107 248.9)
- #724600
#724600
oklch(43.5% 0.095 69.4)
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 #155489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.013
- Dusk Blue #26538D ΔE 0.014
- Deep Sea Blue #015482 ΔE 0.015
- Light Navy Blue #2E5A88 ΔE 0.029
- Cobalt #1E488F ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.044
- Twilight Blue #0A437A ΔE 0.055
- Peacock Blue #016795 ΔE 0.056
Use #155489 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.