#12424A
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.1% 0.052 210.7), rgb(18, 66, 74).
Aa
White text reads best on this color (11.03:1).
About this color
#12424A is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.052 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.027 away. White text reads best on it, at 11.03:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #12424A |
| RGB | rgb(18, 66, 74) |
| HSL | hsl(189, 61%, 18%) |
| OKLCH | oklch(35.1% 0.052 210.7) |
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 #12424A | 11.03:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #12424A | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #12424A text on white | 11.03:1 | AAA | Lc 95.3 | Preferred for body text |
| #12424A text on black | 1.90:1 | Fails | Lc -7.4 | 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
#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
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#72ACB6
oklch(70.8% 0.062 209.5)
-
Step 500
500
#4897A5
oklch(63.2% 0.08 210.7)
-
Step 600
600
#238190
oklch(55.7% 0.086 210.7)
-
Step 700
700
#136D7A
oklch(49.2% 0.08 210)
-
Step 800
800
#155963
oklch(42.8% 0.066 209.5)
-
Step 900
900 (this color)
#12424A
oklch(35.1% 0.052 210.7)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#12424A 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) | #3B3F4A | 0.048 |
| Deuteranopia (no green cones) | #33394A | 0.045 |
| Tritanopia (no blue cones) | #004544 | 0.019 |
| Achromatopsia (no color) | #3C3C3C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12424A
#12424A
oklch(35.1% 0.052 210.7)
- #53302A
#53302A
oklch(35.1% 0.053 30.4)
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 #12424A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.027
- Charcoal #264653 ΔE 0.028
- Dark Teal #014D4E ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.040
- Onyx #343A40 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.049
- Gunmetal #293241 ΔE 0.053
Use #12424A 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.