#045D8D
Closest named color: Light Navy Blue (#2E5A88). oklch(45.8% 0.106 241.7), rgb(4, 93, 141).
Aa
White text reads best on this color (7.10:1).
About this color
#045D8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.106 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.023 away. White text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #045D8D |
| RGB | rgb(4, 93, 141) |
| HSL | hsl(201, 94%, 28%) |
| OKLCH | oklch(45.8% 0.106 241.7) |
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 #045D8D | 7.10:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #045D8D | 2.95:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #045D8D text on white | 7.10:1 | AAA | Lc 84.1 | Fine for body text |
| #045D8D text on black | 2.95:1 | Fails | Lc -17.9 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEE
oklch(88.6% 0.034 239.9)
-
Step 300
300
#9EC6E6
oklch(80.9% 0.062 242.7)
-
Step 400
400
#65A8D9
oklch(70.6% 0.099 241.8)
-
Step 500
500
#3291CF
oklch(63% 0.127 241.9)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800 (this color)
#045D8D
oklch(45.8% 0.106 241.7)
-
Step 900
900
#0A4669
oklch(37.7% 0.082 241.2)
-
Step 950
950
#0A293E
oklch(27% 0.053 242.3)
#045D8D 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) | #465E8F | 0.050 |
| Deuteranopia (no green cones) | #34538C | 0.038 |
| Tritanopia (no blue cones) | #00696E | 0.072 |
| Achromatopsia (no color) | #585858 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045D8D
#045D8D
oklch(45.8% 0.106 241.7)
- #804700
#804700
oklch(45.7% 0.106 61.6)
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 #045D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.030
- Peacock Blue #016795 ΔE 0.031
- Dusk Blue #26538D ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.038
- Light Navy #155084 ΔE 0.038
- Denim #3B638C ΔE 0.043
- YInMn Blue #415A77 ΔE 0.052
Use #045D8D 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.