#133071
Closest named color: Marine Blue (#01386A). oklch(33.1% 0.118 263.3), rgb(19, 48, 113).
Aa
White text reads best on this color (12.43:1).
About this color
#133071 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.118 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.028 away. White text reads best on it, at 12.43:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.68:1 |
| White text | 12.43:1 |
Values
| HEX | #133071 |
| RGB | rgb(19, 48, 113) |
| HSL | hsl(221, 71%, 26%) |
| OKLCH | oklch(33.1% 0.118 263.3) |
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 #133071 | 12.43:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #133071 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #133071 text on white | 12.43:1 | AAA | Lc 97.8 | Preferred for body text |
| #133071 text on black | 1.68:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A3C1FB
oklch(81% 0.089 263.3)
-
Step 400
400
#719EF8
oklch(70.6% 0.141 263.1)
-
Step 500
500
#4D83F5
oklch(63.1% 0.18 263.2)
-
Step 600
600
#3269E4
oklch(55.6% 0.196 263.3)
-
Step 700
700
#2556C6
oklch(49% 0.183 263.4)
-
Step 800
800
#2047A0
oklch(42.6% 0.151 263.5)
-
Step 900
900 (this color)
#133071
oklch(33.1% 0.118 263.3)
-
Step 950
950
#12244A
oklch(26.9% 0.075 263.2)
#133071 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) | #003973 | 0.026 |
| Deuteranopia (no green cones) | #003070 | 0.013 |
| Tritanopia (no blue cones) | #00404B | 0.092 |
| Achromatopsia (no color) | #343434 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133071
#133071
oklch(33.1% 0.118 263.3)
- #463200
#463200
oklch(33.1% 0.068 84.1)
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 #133071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.028
- Marine #042E60 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.051
- Midnight Blue #191970 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.055
- Royal #0C1793 ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.079
- Midnight Green #073B4C ΔE 0.080
Use #133071 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.