#11455A
Closest named color: Charcoal (#264653). oklch(36.7% 0.064 229.6), rgb(17, 69, 90).
Aa
White text reads best on this color (10.38:1).
About this color
#11455A is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.064 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.022 away. White text reads best on it, at 10.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #11455A |
| RGB | rgb(17, 69, 90) |
| HSL | hsl(197, 68%, 21%) |
| OKLCH | oklch(36.7% 0.064 229.6) |
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 #11455A | 10.38:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #11455A | 2.02:1 | Fails | Lc 10.1 | Not readable |
| #11455A text on white | 10.38:1 | AAA | Lc 93.8 | Preferred for body text |
| #11455A text on black | 2.02:1 | Fails | Lc -8.7 | 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
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400
#6CAAC7
oklch(70.7% 0.077 229.3)
-
Step 500
500
#3F94B9
oklch(63% 0.098 229.9)
-
Step 600
600
#117EA5
oklch(55.6% 0.106 229.6)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#085773
oklch(42.8% 0.082 229.4)
-
Step 900
900 (this color)
#11455A
oklch(36.7% 0.064 229.6)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#11455A 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) | #3A445B | 0.044 |
| Deuteranopia (no green cones) | #303D5A | 0.038 |
| Tritanopia (no blue cones) | #004B4C | 0.037 |
| Achromatopsia (no color) | #404040 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11455A
#11455A
oklch(36.7% 0.064 229.6)
- #5A341F
#5A341F
oklch(36.7% 0.064 48.8)
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 #11455A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.022
- Dark Blue Grey #1F3B4D ΔE 0.035
- Midnight Green #073B4C ΔE 0.039
- Dark Teal #014D4E ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.053
- Deep Teal #00555A ΔE 0.053
Use #11455A 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.