#12453E
Closest named color: Dark Teal (#014D4E). oklch(35.5% 0.054 182.2), rgb(18, 69, 62).
Aa
White text reads best on this color (10.78:1).
About this color
#12453E is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.054 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.032 away. White text reads best on it, at 10.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #12453E |
| RGB | rgb(18, 69, 62) |
| HSL | hsl(172, 59%, 17%) |
| OKLCH | oklch(35.5% 0.054 182.2) |
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 #12453E | 10.78:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #12453E | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #12453E text on white | 10.78:1 | AAA | Lc 94.8 | Preferred for body text |
| #12453E text on black | 1.94:1 | Fails | Lc -7.9 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5CAC3
oklch(81% 0.041 182.5)
-
Step 400
400
#71AEA4
oklch(70.6% 0.065 183)
-
Step 500
500
#479A8D
oklch(63.1% 0.083 181.9)
-
Step 600
600
#208477
oklch(55.5% 0.09 182.1)
-
Step 700
700
#0E7064
oklch(49.1% 0.085 181.8)
-
Step 800
800
#135B52
oklch(42.6% 0.069 182.6)
-
Step 900
900 (this color)
#12453E
oklch(35.5% 0.054 182.2)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#12453E 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) | #42413E | 0.058 |
| Deuteranopia (no green cones) | #3A3B3F | 0.055 |
| Tritanopia (no blue cones) | #004643 | 0.010 |
| Achromatopsia (no color) | #3D3D3D | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12453E
#12453E
oklch(35.5% 0.054 182.2)
- #532F39
#532F39
oklch(35.4% 0.054 2.3)
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 #12453E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.032
- Evergreen #05472A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.042
- Charcoal #264653 ΔE 0.043
- Midnight Green #073B4C ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.051
- Onyx #343A40 ΔE 0.051
Use #12453E 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.