#073447
Closest named color: Midnight Green (#073B4C). oklch(30.6% 0.057 231.8), rgb(7, 52, 71).
Aa
White text reads best on this color (13.19:1).
About this color
#073447 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.057 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.024 away. White text reads best on it, at 13.19:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.59:1 |
| White text | 13.19:1 |
Values
| HEX | #073447 |
| RGB | rgb(7, 52, 71) |
| HSL | hsl(198, 82%, 15%) |
| OKLCH | oklch(30.6% 0.057 231.8) |
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 #073447 | 13.19:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #073447 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #073447 text on white | 13.19:1 | AAA | Lc 99.3 | Preferred for body text |
| #073447 text on black | 1.59:1 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEEDF5
oklch(93.7% 0.019 230.7)
-
Step 200
200
#C1DEEE
oklch(88.4% 0.038 232)
-
Step 300
300
#94C9E5
oklch(80.9% 0.068 231.7)
-
Step 400
400
#50ACD8
oklch(70.6% 0.108 231.9)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950 (this color)
#073447
oklch(30.6% 0.057 231.8)
#073447 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) | #2A3348 | 0.037 |
| Deuteranopia (no green cones) | #222D47 | 0.033 |
| Tritanopia (no blue cones) | #00393A | 0.034 |
| Achromatopsia (no color) | #303030 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #073447
#073447
oklch(30.6% 0.057 231.8)
- #462612
#462612
oklch(30.6% 0.058 51.1)
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 #073447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.035
- Gunmetal #293241 ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.048
- Marine #042E60 ΔE 0.053
- Dark #1B2431 ΔE 0.059
Use #073447 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.