#015289
Closest named color: Light Navy (#155084). oklch(42.7% 0.113 247.5), rgb(1, 82, 137).
Aa
White text reads best on this color (8.17:1).
About this color
#015289 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.113 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.011 away. White text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #015289 |
| RGB | rgb(1, 82, 137) |
| HSL | hsl(204, 99%, 27%) |
| OKLCH | oklch(42.7% 0.113 247.5) |
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 #015289 | 8.17:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #015289 | 2.56:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #015289 text on white | 8.17:1 | AAA | Lc 87.7 | Fine for body text |
| #015289 text on black | 2.56:1 | Fails | Lc -14.5 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#9FC5EA
oklch(80.9% 0.066 248)
-
Step 400
400
#68A6DF
oklch(70.6% 0.106 247.6)
-
Step 500
500
#3A8FD6
oklch(63.1% 0.134 247.3)
-
Step 600
600
#0377C4
oklch(55.5% 0.148 247.8)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800 (this color)
#015289
oklch(42.7% 0.113 247.5)
-
Step 900
900
#11446D
oklch(37.6% 0.088 247.6)
-
Step 950
950
#0C2840
oklch(26.9% 0.056 247.6)
#015289 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) | #37558B | 0.040 |
| Deuteranopia (no green cones) | #224A88 | 0.026 |
| Tritanopia (no blue cones) | #005F67 | 0.079 |
| Achromatopsia (no color) | #4F4F4F | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015289
#015289
oklch(42.7% 0.113 247.5)
- #704300
#704300
oklch(42.6% 0.094 67.6)
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 #015289, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.011
- Deep Sea Blue #015482 ΔE 0.014
- Dusk Blue #26538D ΔE 0.022
- Cobalt #1E488F ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.054
- Peacock Blue #016795 ΔE 0.063
Use #015289 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.