#628497
Closest named color: Slate Gray (#708090). oklch(59.5% 0.048 233.1), rgb(98, 132, 151).
Aa
Black text reads best on this color (5.26:1).
About this color
#628497 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.048 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.020 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #628497 |
| RGB | rgb(98, 132, 151) |
| HSL | hsl(202, 21%, 49%) |
| OKLCH | oklch(59.5% 0.048 233.1) |
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 #628497 | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #628497 | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #628497 text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #628497 text on black | 5.26:1 | AA | Lc -34.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CE
oklch(81% 0.024 231.9)
-
Step 400
400
#8AA5B5
oklch(70.7% 0.038 234.1)
-
Step 500
500 (this color)
#628497
oklch(59.5% 0.048 233.1)
-
Step 600
600
#54798D
oklch(55.6% 0.052 232.6)
-
Step 700
700
#446678
oklch(49.2% 0.049 232.2)
-
Step 800
800
#385362
oklch(42.7% 0.041 233.3)
-
Step 900
900
#314550
oklch(37.8% 0.031 232.7)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#628497 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) | #7B8398 | 0.033 |
| Deuteranopia (no green cones) | #737D97 | 0.028 |
| Tritanopia (no blue cones) | #50898A | 0.035 |
| Achromatopsia (no color) | #7F7F7F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #628497
#628497
oklch(59.5% 0.048 233.1)
- #967764
#967764
oklch(59.4% 0.048 53)
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 #628497, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.020
- Grey Blue #647D8E ΔE 0.021
- Steel #738595 ΔE 0.022
- Steel Grey #6F828A ΔE 0.023
- Battleship Grey #6B7C85 ΔE 0.030
- Light Slate Gray #778899 ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.037
Use #628497 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.