#133E47
Closest named color: Midnight Green (#073B4C). oklch(33.9% 0.049 214.1), rgb(19, 62, 71).
Aa
White text reads best on this color (11.61:1).
About this color
#133E47 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.049 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.018 away. White text reads best on it, at 11.61:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.80:1 |
| White text | 11.61:1 |
Values
| HEX | #133E47 |
| RGB | rgb(19, 62, 71) |
| HSL | hsl(190, 58%, 18%) |
| OKLCH | oklch(33.9% 0.049 214.1) |
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 #133E47 | 11.61:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #133E47 | 1.80:1 | Fails | Lc 7.4 | Not readable |
| #133E47 text on white | 11.61:1 | AAA | Lc 96.5 | Preferred for body text |
| #133E47 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#75ABB7
oklch(70.8% 0.059 213.1)
-
Step 500
500
#4E95A5
oklch(63% 0.075 214.2)
-
Step 600
600
#2E7F90
oklch(55.5% 0.081 214.2)
-
Step 700
700
#1F6C7B
oklch(49.2% 0.076 213.6)
-
Step 800
800
#1D5864
oklch(42.8% 0.063 213.7)
-
Step 900
900 (this color)
#133E47
oklch(33.9% 0.049 214.1)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#133E47 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) | #373C48 | 0.044 |
| Deuteranopia (no green cones) | #303647 | 0.041 |
| Tritanopia (no blue cones) | #004141 | 0.020 |
| Achromatopsia (no color) | #393939 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133E47
#133E47
oklch(33.9% 0.049 214.1)
- #4E2E27
#4E2E27
oklch(33.9% 0.049 33)
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 #133E47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.020
- Charcoal #264653 ΔE 0.038
- Onyx #343A40 ΔE 0.039
- Gunmetal #293241 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.048
- Dark Teal #014D4E ΔE 0.048
Use #133E47 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.