#315787
Closest named color: Light Navy Blue (#2E5A88). oklch(45.2% 0.09 255.1), rgb(49, 87, 135).
Aa
White text reads best on this color (7.38:1).
About this color
#315787 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.009 away. White text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #315787 |
| RGB | rgb(49, 87, 135) |
| HSL | hsl(213, 47%, 36%) |
| OKLCH | oklch(45.2% 0.09 255.1) |
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 #315787 | 7.38:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #315787 | 2.84:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #315787 text on white | 7.38:1 | AAA | Lc 85.5 | Fine for body text |
| #315787 text on black | 2.84:1 | Fails | Lc -16.6 | 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
#CDDBED
oklch(88.6% 0.029 254.7)
-
Step 300
300
#AAC3E3
oklch(80.9% 0.053 254.7)
-
Step 400
400
#7DA3D5
oklch(70.7% 0.085 255.5)
-
Step 500
500
#5B8CCA
oklch(63.2% 0.108 254.9)
-
Step 600
600
#4075B6
oklch(55.6% 0.116 254.6)
-
Step 700
700
#32629D
oklch(49.2% 0.109 254.8)
-
Step 800
800 (this color)
#315787
oklch(45.2% 0.09 255.1)
-
Step 900
900
#274366
oklch(37.8% 0.069 254.8)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#315787 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) | #435A89 | 0.024 |
| Deuteranopia (no green cones) | #375286 | 0.015 |
| Tritanopia (no blue cones) | #006268 | 0.076 |
| Achromatopsia (no color) | #565656 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315787
#315787
oklch(45.2% 0.09 255.1)
- #734D0B
#734D0B
oklch(45.2% 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 #315787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.009
- Dusk Blue #26538D ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.024
- Light Navy #155084 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.035
- Dusk #4E5481 ΔE 0.037
- Denim #3B638C ΔE 0.039
Use #315787 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.