#557298
Closest named color: Dull Blue (#49759C). oklch(54.5% 0.069 255.4), rgb(85, 114, 152).
Aa
White text reads best on this color (4.94:1).
About this color
#557298 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.015 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #557298 |
| RGB | rgb(85, 114, 152) |
| HSL | hsl(214, 28%, 46%) |
| OKLCH | oklch(54.5% 0.069 255.4) |
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 #557298 | 4.94:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #557298 | 4.24:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #557298 text on white | 4.94:1 | AA | Lc 74.2 | Content text, not long reading |
| #557298 text on black | 4.24:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8CA3C0
oklch(70.8% 0.05 254.4)
-
Step 500
500
#708CB0
oklch(63.2% 0.063 254.9)
-
Step 600
600 (this color)
#557298
oklch(54.5% 0.069 255.4)
-
Step 700
700
#486285
oklch(49% 0.065 256)
-
Step 800
800
#3B506C
oklch(42.6% 0.054 255.8)
-
Step 900
900
#334357
oklch(37.8% 0.04 254.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#557298 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) | #64749A | 0.021 |
| Deuteranopia (no green cones) | #5C6D97 | 0.016 |
| Tritanopia (no blue cones) | #3C7A7F | 0.060 |
| Achromatopsia (no color) | #707070 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557298
#557298
oklch(54.5% 0.069 255.4)
- #886B41
#886B41
oklch(54.7% 0.069 75.7)
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 #557298, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.015
- Metallic Blue #4F738E ΔE 0.019
- Stormy Blue #507B9C ΔE 0.025
- Cerulean #457B9D ΔE 0.028
- Muted Blue #3B719F ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.034
- Grey Blue #647D8E ΔE 0.046
- French Blue #436BAD ΔE 0.048
Use #557298 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.