#12545E
Closest named color: Deep Teal (#00555A). oklch(41.1% 0.064 210.1), rgb(18, 84, 94).
Aa
White text reads best on this color (8.55:1).
About this color
#12545E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.064 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.011 away. White text reads best on it, at 8.55:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #12545E |
| RGB | rgb(18, 84, 94) |
| HSL | hsl(188, 68%, 22%) |
| OKLCH | oklch(41.1% 0.064 210.1) |
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 #12545E | 8.55:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #12545E | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #12545E text on white | 8.55:1 | AAA | Lc 89.1 | Fine for body text |
| #12545E text on black | 2.45:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CE
oklch(80.9% 0.038 209.1)
-
Step 400
400
#73ABB5
oklch(70.6% 0.06 209.9)
-
Step 500
500
#4B96A3
oklch(63% 0.077 210.2)
-
Step 600
600
#27808E
oklch(55.5% 0.084 210.1)
-
Step 700
700
#186C79
oklch(49% 0.078 210.5)
-
Step 800
800 (this color)
#12545E
oklch(41.1% 0.064 210.1)
-
Step 900
900
#1C4950
oklch(37.7% 0.05 209.1)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#12545E 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) | #4B515F | 0.060 |
| Deuteranopia (no green cones) | #41495E | 0.055 |
| Tritanopia (no blue cones) | #005857 | 0.021 |
| Achromatopsia (no color) | #4C4C4C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12545E
#12545E
oklch(41.1% 0.064 210.1)
- #693D35
#693D35
oklch(41.1% 0.064 31.1)
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 #12545E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.011
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Teal #014D4E ΔE 0.034
- Petrol #005F6A ΔE 0.035
- Dark Blue Green #005249 ΔE 0.037
- Charcoal #264653 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.056
Use #12545E 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.