#134457
Closest named color: Charcoal (#264653). oklch(36.4% 0.06 228.1), rgb(19, 68, 87).
Aa
White text reads best on this color (10.54:1).
About this color
#134457 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.020 away. White text reads best on it, at 10.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #134457 |
| RGB | rgb(19, 68, 87) |
| HSL | hsl(197, 64%, 21%) |
| OKLCH | oklch(36.4% 0.06 228.1) |
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 #134457 | 10.54:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #134457 | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #134457 text on white | 10.54:1 | AAA | Lc 94.2 | Preferred for body text |
| #134457 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6FAAC4
oklch(70.7% 0.072 227.6)
-
Step 500
500
#4494B6
oklch(63.1% 0.093 228.8)
-
Step 600
600
#1B7EA1
oklch(55.5% 0.1 227.8)
-
Step 700
700
#086A8A
oklch(49% 0.094 228.1)
-
Step 800
800
#0F5770
oklch(42.8% 0.077 227.4)
-
Step 900
900 (this color)
#134457
oklch(36.4% 0.06 228.1)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#134457 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) | #3A4358 | 0.044 |
| Deuteranopia (no green cones) | #313C57 | 0.038 |
| Tritanopia (no blue cones) | #00494A | 0.034 |
| Achromatopsia (no color) | #3F3F3F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134457
#134457
oklch(36.4% 0.06 228.1)
- #583421
#583421
oklch(36.5% 0.06 48)
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 #134457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.020
- Dark Grey Blue #29465B ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.030
- Midnight Green #073B4C ΔE 0.035
- Dark Teal #014D4E ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.049
- Onyx #343A40 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #134457 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.