#07436B
Closest named color: Twilight Blue (#0A437A). oklch(37% 0.089 245.1), rgb(7, 67, 107).
Aa
White text reads best on this color (10.37:1).
About this color
#07436B is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.089 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.026 away. White text reads best on it, at 10.37:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #07436B |
| RGB | rgb(7, 67, 107) |
| HSL | hsl(204, 88%, 22%) |
| OKLCH | oklch(37% 0.089 245.1) |
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 #07436B | 10.37:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #07436B | 2.02:1 | Fails | Lc 10.3 | Not readable |
| #07436B text on white | 10.37:1 | AAA | Lc 93.6 | Preferred for body text |
| #07436B text on black | 2.02:1 | Fails | Lc -8.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C6DCF0
oklch(88.4% 0.036 245.7)
-
Step 300
300
#9DC6E9
oklch(80.9% 0.066 244.5)
-
Step 400
400
#64A7DF
oklch(70.7% 0.107 245.3)
-
Step 500
500
#3290D6
oklch(63.1% 0.136 245.3)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900 (this color)
#07436B
oklch(37% 0.089 245.1)
-
Step 950
950
#0A2940
oklch(27.1% 0.056 244.7)
#07436B 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) | #30456D | 0.037 |
| Deuteranopia (no green cones) | #213C6A | 0.025 |
| Tritanopia (no blue cones) | #004D52 | 0.062 |
| Achromatopsia (no color) | #404040 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #07436B
#07436B
oklch(37% 0.089 245.1)
- #5D3500
#5D3500
oklch(37% 0.083 65.3)
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 #07436B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.026
- Marine Blue #01386A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal #264653 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.053
- Light Navy #155084 ΔE 0.056
- Midnight Green #073B4C ΔE 0.056
Use #07436B 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.