#033A47
Closest named color: Midnight Green (#073B4C). oklch(32.3% 0.057 219), rgb(3, 58, 71).
Aa
White text reads best on this color (12.35:1).
About this color
#033A47 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.057 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.010 away. White text reads best on it, at 12.35:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.70:1 |
| White text | 12.35:1 |
Values
| HEX | #033A47 |
| RGB | rgb(3, 58, 71) |
| HSL | hsl(191, 92%, 15%) |
| OKLCH | oklch(32.3% 0.057 219) |
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 #033A47 | 12.35:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #033A47 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #033A47 text on white | 12.35:1 | AAA | Lc 97.8 | Preferred for body text |
| #033A47 text on black | 1.70:1 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF3
oklch(93.5% 0.02 220.9)
-
Step 200
200
#BFE0EA
oklch(88.6% 0.037 218)
-
Step 300
300
#8FCCDE
oklch(81% 0.067 218.2)
-
Step 400
400
#41B0CE
oklch(70.7% 0.107 219.3)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950 (this color)
#033A47
oklch(32.3% 0.057 219)
#033A47 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) | #323848 | 0.048 |
| Deuteranopia (no green cones) | #293247 | 0.042 |
| Tritanopia (no blue cones) | #003E3E | 0.025 |
| Achromatopsia (no color) | #353535 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033A47
#033A47
oklch(32.3% 0.057 219)
- #4C291D
#4C291D
oklch(32.3% 0.056 39.6)
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 #033A47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.010
- Dark Blue Grey #1F3B4D ΔE 0.026
- Gunmetal #293241 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.042
- Onyx #343A40 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Charcoal #264653 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.062
Use #033A47 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.