#315888
Closest named color: Light Navy Blue (#2E5A88). oklch(45.5% 0.091 254.6), rgb(49, 88, 136).
Aa
White text reads best on this color (7.28:1).
About this color
#315888 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.006 away. White text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #315888 |
| RGB | rgb(49, 88, 136) |
| HSL | hsl(213, 47%, 36%) |
| OKLCH | oklch(45.5% 0.091 254.6) |
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 #315888 | 7.28:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #315888 | 2.88:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #315888 text on white | 7.28:1 | AAA | Lc 85.1 | Fine for body text |
| #315888 text on black | 2.88:1 | Fails | Lc -16.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#AAC3E3
oklch(80.9% 0.053 254.7)
-
Step 400
400
#7CA3D5
oklch(70.6% 0.085 254.9)
-
Step 500
500
#5A8CCA
oklch(63.1% 0.109 254.5)
-
Step 600
600
#3F75B7
oklch(55.7% 0.118 254.6)
-
Step 700
700
#31629D
oklch(49.1% 0.109 254.4)
-
Step 800
800 (this color)
#315888
oklch(45.5% 0.091 254.6)
-
Step 900
900
#264366
oklch(37.8% 0.07 254.1)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#315888 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) | #435B8A | 0.024 |
| Deuteranopia (no green cones) | #385387 | 0.015 |
| Tritanopia (no blue cones) | #006369 | 0.075 |
| Achromatopsia (no color) | #565656 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315888
#315888
oklch(45.5% 0.091 254.6)
- #744E0D
#744E0D
oklch(45.5% 0.091 74.4)
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 #315888, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.006
- Denim Blue #3B5B92 ΔE 0.022
- Dusk Blue #26538D ΔE 0.022
- YInMn Blue #415A77 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.036
- Denim #3B638C ΔE 0.036
- Light Navy #155084 ΔE 0.036
- Dusk #4E5481 ΔE 0.037
Use #315888 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.