#073D5B
Closest named color: Midnight Green (#073B4C). oklch(34.4% 0.074 240), rgb(7, 61, 91).
Aa
White text reads best on this color (11.49:1).
About this color
#073D5B is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.074 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.027 away. White text reads best on it, at 11.49:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #073D5B |
| RGB | rgb(7, 61, 91) |
| HSL | hsl(201, 86%, 19%) |
| OKLCH | oklch(34.4% 0.074 240) |
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 #073D5B | 11.49:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #073D5B | 1.82:1 | Fails | Lc 7.8 | Not readable |
| #073D5B text on white | 11.49:1 | AAA | Lc 96.1 | Preferred for body text |
| #073D5B text on black | 1.82:1 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A1C6E1
oklch(80.9% 0.055 240)
-
Step 400
400
#6BA8D2
oklch(70.6% 0.088 239.8)
-
Step 500
500
#3E92C7
oklch(63.2% 0.113 239.8)
-
Step 600
600
#0F7BB3
oklch(55.6% 0.123 239.7)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#07547D
oklch(42.6% 0.095 240.3)
-
Step 900
900 (this color)
#073D5B
oklch(34.4% 0.074 240)
-
Step 950
950
#0E293B
oklch(27% 0.047 240.8)
#073D5B 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) | #2F3D5C | 0.038 |
| Deuteranopia (no green cones) | #23365A | 0.029 |
| Tritanopia (no blue cones) | #004548 | 0.049 |
| Achromatopsia (no color) | #393939 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #073D5B
#073D5B
oklch(34.4% 0.074 240)
- #542E08
#542E08
oklch(34.3% 0.074 59.8)
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 #073D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.028
- Marine Blue #01386A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Marine #042E60 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.055
Use #073D5B 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.