#134B5E
Closest named color: Dark Grey Blue (#29465B). oklch(38.7% 0.064 225.2), rgb(19, 75, 94).
Aa
White text reads best on this color (9.56:1).
About this color
#134B5E is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.56:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #134B5E |
| RGB | rgb(19, 75, 94) |
| HSL | hsl(195, 66%, 22%) |
| OKLCH | oklch(38.7% 0.064 225.2) |
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 #134B5E | 9.56:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #134B5E | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #134B5E text on white | 9.56:1 | AAA | Lc 91.9 | Preferred for body text |
| #134B5E text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300
#A0C8D8
oklch(80.9% 0.048 224.2)
-
Step 400
400
#69ABC5
oklch(70.7% 0.077 225.2)
-
Step 500
500
#3996B6
oklch(63.2% 0.098 224.6)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900 (this color)
#134B5E
oklch(38.7% 0.064 225.2)
-
Step 950
950
#0C2A35
oklch(26.8% 0.041 225.6)
#134B5E 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) | #41495F | 0.050 |
| Deuteranopia (no green cones) | #36425E | 0.043 |
| Tritanopia (no blue cones) | #005151 | 0.035 |
| Achromatopsia (no color) | #454545 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134B5E
#134B5E
oklch(38.7% 0.064 225.2)
- #603826
#603826
oklch(38.5% 0.064 44.6)
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 #134B5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.023
- Dark Teal #014D4E ΔE 0.033
- Deep Teal #00555A ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Green #005249 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.053
- Midnight Green #073B4C ΔE 0.058
Use #134B5E 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.