#315291
Closest named color: Dusk Blue (#26538D). oklch(44.7% 0.111 262.1), rgb(49, 82, 145).
Aa
White text reads best on this color (7.64:1).
About this color
#315291 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.013 away. White text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #315291 |
| RGB | rgb(49, 82, 145) |
| HSL | hsl(219, 49%, 38%) |
| OKLCH | oklch(44.7% 0.111 262.1) |
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 #315291 | 7.64:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #315291 | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #315291 text on white | 7.64:1 | AAA | Lc 86.3 | Fine for body text |
| #315291 text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#AAC1EB
oklch(80.8% 0.065 262.4)
-
Step 400
400
#7DA0E1
oklch(70.6% 0.103 262.3)
-
Step 500
500
#5C88D9
oklch(63.2% 0.132 261.7)
-
Step 600
600
#4370C6
oklch(55.6% 0.143 262)
-
Step 700
700
#345DAB
oklch(49% 0.133 261.9)
-
Step 800
800 (this color)
#315291
oklch(44.7% 0.111 262.1)
-
Step 900
900
#27406F
oklch(37.6% 0.087 261.9)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#315291 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) | #355893 | 0.018 |
| Deuteranopia (no green cones) | #264F90 | 0.015 |
| Tritanopia (no blue cones) | #00606A | 0.091 |
| Achromatopsia (no color) | #535353 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315291
#315291
oklch(44.7% 0.111 262.1)
- #6D4E00
#6D4E00
oklch(44.6% 0.092 82.2)
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 #315291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.013
- Denim Blue #3B5B92 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.030
- Light Navy #155084 ΔE 0.034
- Cobalt #1E488F ΔE 0.037
- Twilight #4E518B ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.041
- Dusk #4E5481 ΔE 0.046
Use #315291 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.