#12474C
Closest named color: Dark Teal (#014D4E). oklch(36.6% 0.054 204.2), rgb(18, 71, 76).
Aa
White text reads best on this color (10.33:1).
About this color
#12474C is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.054 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.020 away. White text reads best on it, at 10.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #12474C |
| RGB | rgb(18, 71, 76) |
| HSL | hsl(185, 62%, 18%) |
| OKLCH | oklch(36.6% 0.054 204.2) |
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 #12474C | 10.33:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #12474C | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #12474C text on white | 10.33:1 | AAA | Lc 93.7 | Preferred for body text |
| #12474C text on black | 2.03:1 | Fails | Lc -8.8 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6EADB3
oklch(70.7% 0.065 203.5)
-
Step 500
500
#4298A1
oklch(63.1% 0.083 204.7)
-
Step 600
600
#15828C
oklch(55.5% 0.09 204.8)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#0A5A61
oklch(42.8% 0.07 204.4)
-
Step 900
900 (this color)
#12474C
oklch(36.6% 0.054 204.2)
-
Step 950
950
#0F2B2E
oklch(26.9% 0.034 204.8)
#12474C 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) | #41444C | 0.054 |
| Deuteranopia (no green cones) | #383E4C | 0.048 |
| Tritanopia (no blue cones) | #004A48 | 0.016 |
| Achromatopsia (no color) | #404040 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12474C
#12474C
oklch(36.6% 0.054 204.2)
- #583331
#583331
oklch(36.6% 0.054 23.4)
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 #12474C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.020
- Charcoal #264653 ΔE 0.023
- Dark Grey Blue #29465B ΔE 0.036
- Dark Blue Green #005249 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.041
- Midnight Green #073B4C ΔE 0.043
- Deep Teal #00555A ΔE 0.045
Use #12474C 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.