#015E91
Closest named color: Light Navy Blue (#2E5A88). oklch(46.3% 0.111 242.7), rgb(1, 94, 145).
Aa
White text reads best on this color (6.97:1).
About this color
#015E91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.111 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.026 away. White text reads best on it, at 6.97:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #015E91 |
| RGB | rgb(1, 94, 145) |
| HSL | hsl(201, 99%, 29%) |
| OKLCH | oklch(46.3% 0.111 242.7) |
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 #015E91 | 6.97:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #015E91 | 3.01:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #015E91 text on white | 6.97:1 | AA | Lc 83.6 | Fine for body text |
| #015E91 text on black | 3.01:1 | AA large text | Lc -18.4 | 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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C5E1
oklch(80.8% 0.054 243.3)
-
Step 400
400
#70A7D2
oklch(70.7% 0.086 242.9)
-
Step 500
500
#4691C6
oklch(63.2% 0.109 242.1)
-
Step 600
600
#227AB3
oklch(55.7% 0.119 242.6)
-
Step 700
700 (this color)
#015E91
oklch(46.3% 0.111 242.7)
-
Step 800
800
#14547D
oklch(42.8% 0.092 242.4)
-
Step 900
900
#194564
oklch(37.6% 0.072 242.8)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#015E91 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) | #456093 | 0.050 |
| Deuteranopia (no green cones) | #325490 | 0.037 |
| Tritanopia (no blue cones) | #006B70 | 0.076 |
| Achromatopsia (no color) | #595959 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015E91
#015E91
oklch(46.3% 0.111 242.7)
- #814900
#814900
oklch(46.2% 0.106 62.9)
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 #015E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.026
- Peacock Blue #016795 ΔE 0.027
- Dusk Blue #26538D ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Denim #3B638C ΔE 0.042
- Light Navy #155084 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.052
Use #015E91 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.