#045E89
Closest named color: Light Navy Blue (#2E5A88). oklch(45.8% 0.101 238.5), rgb(4, 94, 137).
Aa
White text reads best on this color (7.07:1).
About this color
#045E89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.101 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.024 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #045E89 |
| RGB | rgb(4, 94, 137) |
| HSL | hsl(199, 94%, 28%) |
| OKLCH | oklch(45.8% 0.101 238.5) |
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 #045E89 | 7.07:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #045E89 | 2.96:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #045E89 text on white | 7.07:1 | AAA | Lc 84.0 | Fine for body text |
| #045E89 text on black | 2.96:1 | Fails | Lc -18.0 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC7E3
oklch(81% 0.059 238.3)
-
Step 400
400
#65A9D5
oklch(70.7% 0.095 238.5)
-
Step 500
500
#3293CA
oklch(63.2% 0.121 238.3)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800 (this color)
#045E89
oklch(45.8% 0.101 238.5)
-
Step 900
900
#0A4766
oklch(37.8% 0.078 237.6)
-
Step 950
950
#0A293C
oklch(26.9% 0.05 239.7)
#045E89 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) | #495E8B | 0.053 |
| Deuteranopia (no green cones) | #385388 | 0.043 |
| Tritanopia (no blue cones) | #00696D | 0.066 |
| Achromatopsia (no color) | #585858 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045E89
#045E89
oklch(45.8% 0.101 238.5)
- #804710
#804710
oklch(45.8% 0.101 58.3)
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 #045E89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.024
- Peacock Blue #016795 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.031
- Dusk Blue #26538D ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.041
- Light Navy #155084 ΔE 0.041
- Denim #3B638C ΔE 0.041
- YInMn Blue #415A77 ΔE 0.048
Use #045E89 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.