#133282
Closest named color: Marine Blue (#01386A). oklch(35.1% 0.14 264.2), rgb(19, 50, 130).
Aa
White text reads best on this color (11.62:1).
About this color
#133282 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.140 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.047 away. White text reads best on it, at 11.62:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #133282 |
| RGB | rgb(19, 50, 130) |
| HSL | hsl(223, 74%, 29%) |
| OKLCH | oklch(35.1% 0.14 264.2) |
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 #133282 | 11.62:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #133282 | 1.80:1 | Fails | Lc 7.8 | Not readable |
| #133282 text on white | 11.62:1 | AAA | Lc 96.1 | Preferred for body text |
| #133282 text on black | 1.80:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7DAFF
oklch(88.6% 0.055 263.7)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#2962F9
oklch(55.7% 0.233 264.2)
-
Step 700
700
#1D4FD9
oklch(49.1% 0.217 264.3)
-
Step 800
800
#1942AF
oklch(42.7% 0.18 264.2)
-
Step 900
900 (this color)
#133282
oklch(35.1% 0.14 264.2)
-
Step 950
950
#0F2351
oklch(27.1% 0.088 263.8)
#133282 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) | #003E85 | 0.032 |
| Deuteranopia (no green cones) | #003480 | 0.012 |
| Tritanopia (no blue cones) | #004755 | 0.108 |
| Achromatopsia (no color) | #393939 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133282
#133282
oklch(35.1% 0.14 264.2)
- #4C3700
#4C3700
oklch(35.1% 0.072 84.7)
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 #133282, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.047
- Twilight Blue #0A437A ΔE 0.050
- Royal #0C1793 ΔE 0.060
- Marine #042E60 ΔE 0.062
- Cobalt #1E488F ΔE 0.065
- Midnight Blue #191970 ΔE 0.066
- Sapphire #2138AB ΔE 0.073
- Prussian Blue #1D3557 ΔE 0.076
Use #133282 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.