#07458D
Closest named color: Cobalt (#1E488F). oklch(40% 0.133 256.6), rgb(7, 69, 141).
Aa
White text reads best on this color (9.35:1).
About this color
#07458D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.133 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.018 away. White text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #07458D |
| RGB | rgb(7, 69, 141) |
| HSL | hsl(212, 91%, 29%) |
| OKLCH | oklch(40% 0.133 256.6) |
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 #07458D | 9.35:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #07458D | 2.24:1 | Fails | Lc 13.0 | Not readable |
| #07458D text on white | 9.35:1 | AAA | Lc 91.0 | Preferred for body text |
| #07458D text on black | 2.24:1 | Fails | Lc -11.3 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C2DBFE
oklch(88.4% 0.055 256.8)
-
Step 300
300
#98C3FF
oklch(80.9% 0.097 256.8)
-
Step 400
400
#5CA1FF
oklch(70.6% 0.155 256.6)
-
Step 500
500
#2286FF
oklch(63.1% 0.2 256.5)
-
Step 600
600
#006EE1
oklch(55.5% 0.194 256.7)
-
Step 700
700
#005DBF
oklch(49.2% 0.171 256.5)
-
Step 800
800
#004B9E
oklch(42.6% 0.15 256.7)
-
Step 900
900 (this color)
#07458D
oklch(40% 0.133 256.6)
-
Step 950
950
#05254E
oklch(26.9% 0.084 256.6)
#07458D 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) | #174D90 | 0.026 |
| Deuteranopia (no green cones) | #00418C | 0.012 |
| Tritanopia (no blue cones) | #005762 | 0.101 |
| Achromatopsia (no color) | #474747 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #07458D
#07458D
oklch(40% 0.133 256.6)
- #614000
#614000
oklch(39.9% 0.084 75.9)
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 #07458D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.018
- Twilight Blue #0A437A ΔE 0.032
- Light Navy #155084 ΔE 0.039
- Dusk Blue #26538D ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.050
- Sapphire #2138AB ΔE 0.060
- Blueberry #464196 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
Use #07458D 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.