#12343E
Closest named color: Midnight Green (#073B4C). oklch(30.5% 0.043 220.2), rgb(18, 52, 62).
Aa
White text reads best on this color (13.23:1).
About this color
#12343E is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.043 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.029 away. White text reads best on it, at 13.23:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #12343E |
| RGB | rgb(18, 52, 62) |
| HSL | hsl(194, 55%, 16%) |
| OKLCH | oklch(30.5% 0.043 220.2) |
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 #12343E | 13.23:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #12343E | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #12343E text on white | 13.23:1 | AAA | Lc 99.4 | Preferred for body text |
| #12343E text on black | 1.58:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9DC9D8
oklch(81% 0.051 220.7)
-
Step 400
400
#62ADC4
oklch(70.8% 0.082 219.9)
-
Step 500
500
#2A98B5
oklch(63.2% 0.104 219.9)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#03495A
oklch(37.6% 0.067 220.5)
-
Step 950
950 (this color)
#12343E
oklch(30.5% 0.043 220.2)
#12343E 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) | #2E323F | 0.036 |
| Deuteranopia (no green cones) | #282E3E | 0.032 |
| Tritanopia (no blue cones) | #003737 | 0.023 |
| Achromatopsia (no color) | #303030 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12343E
#12343E
oklch(30.5% 0.043 220.2)
- #42271E
#42271E
oklch(30.4% 0.044 39.2)
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 #12343E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.029
- Gunmetal #293241 ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.048
- Onyx #343A40 ΔE 0.051
- Dark #1B2431 ΔE 0.054
Use #12343E 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.