#045270
Closest named color: Deep Sea Blue (#015482). oklch(41.2% 0.083 232.2), rgb(4, 82, 112).
Aa
White text reads best on this color (8.58:1).
About this color
#045270 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.083 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.030 away. White text reads best on it, at 8.58:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #045270 |
| RGB | rgb(4, 82, 112) |
| HSL | hsl(197, 93%, 23%) |
| OKLCH | oklch(41.2% 0.083 232.2) |
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 #045270 | 8.58:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #045270 | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #045270 text on white | 8.58:1 | AAA | Lc 89.0 | Fine for body text |
| #045270 text on black | 2.44:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6DA9C9
oklch(70.6% 0.078 232.7)
-
Step 500
500
#4294BB
oklch(63.2% 0.098 231.9)
-
Step 600
600
#177DA7
oklch(55.5% 0.107 232.3)
-
Step 700
700
#02698F
oklch(49% 0.1 232.4)
-
Step 800
800 (this color)
#045270
oklch(41.2% 0.083 232.2)
-
Step 900
900
#16475E
oklch(37.7% 0.065 232.7)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#045270 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) | #435171 | 0.054 |
| Deuteranopia (no green cones) | #354870 | 0.044 |
| Tritanopia (no blue cones) | #005A5C | 0.049 |
| Achromatopsia (no color) | #4C4C4C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045270
#045270
oklch(41.2% 0.083 232.2)
- #6E3D1C
#6E3D1C
oklch(41.4% 0.083 52.2)
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 #045270, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy #155084 ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Petrol #005F6A ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.046
- Twilight Blue #0A437A ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Dusk Blue #26538D ΔE 0.055
Use #045270 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.