#043744
Closest named color: Midnight Green (#073B4C). oklch(31.2% 0.055 220.3), rgb(4, 55, 68).
Aa
White text reads best on this color (12.84:1).
About this color
#043744 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.055 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.018 away. White text reads best on it, at 12.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.63:1 |
| White text | 12.84:1 |
Values
| HEX | #043744 |
| RGB | rgb(4, 55, 68) |
| HSL | hsl(192, 89%, 14%) |
| OKLCH | oklch(31.2% 0.055 220.3) |
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 #043744 | 12.84:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #043744 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #043744 text on white | 12.84:1 | AAA | Lc 98.7 | Preferred for body text |
| #043744 text on black | 1.63:1 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200
#C0DFEA
oklch(88.5% 0.036 221.2)
-
Step 300
300
#92CBDE
oklch(80.9% 0.064 220.6)
-
Step 400
400
#48AFCD
oklch(70.6% 0.103 220.4)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
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
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950 (this color)
#043744
oklch(31.2% 0.055 220.3)
#043744 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) | #2F3545 | 0.045 |
| Deuteranopia (no green cones) | #272F44 | 0.041 |
| Tritanopia (no blue cones) | #003B3B | 0.025 |
| Achromatopsia (no color) | #323232 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #043744
#043744
oklch(31.2% 0.055 220.3)
- #48271B
#48271B
oklch(31.3% 0.054 40.6)
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 #043744, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.032
- Gunmetal #293241 ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.049
- Onyx #343A40 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.057
- Marine #042E60 ΔE 0.064
Use #043744 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.