#315283
Closest named color: Dusk Blue (#26538D). oklch(43.8% 0.09 258.1), rgb(49, 82, 131).
Aa
White text reads best on this color (7.87:1).
About this color
#315283 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.090 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.018 away. White text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #315283 |
| RGB | rgb(49, 82, 131) |
| HSL | hsl(216, 46%, 35%) |
| OKLCH | oklch(43.8% 0.09 258.1) |
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 #315283 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #315283 | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #315283 text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #315283 text on black | 2.66:1 | Fails | Lc -14.9 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E3
oklch(80.8% 0.053 258.4)
-
Step 400
400
#80A2D5
oklch(70.6% 0.084 258.3)
-
Step 500
500
#608ACA
oklch(63% 0.108 258.6)
-
Step 600
600
#4673B7
oklch(55.5% 0.117 258.4)
-
Step 700
700
#37609E
oklch(49% 0.11 258.5)
-
Step 800
800 (this color)
#315283
oklch(43.8% 0.09 258.1)
-
Step 900
900
#294267
oklch(37.7% 0.071 258)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#315283 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) | #3D5685 | 0.020 |
| Deuteranopia (no green cones) | #324E82 | 0.012 |
| Tritanopia (no blue cones) | #005D64 | 0.076 |
| Achromatopsia (no color) | #515151 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315283
#315283
oklch(43.8% 0.09 258.1)
- #6D4B02
#6D4B02
oklch(43.9% 0.09 78.5)
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 #315283, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.023
- Light Navy #155084 ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.036
- Dusk #4E5481 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.041
- Twilight #4E518B ΔE 0.041
Use #315283 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.