#658FA0
Closest named color: Blue Grey (#758DA3). oklch(62.6% 0.053 225.1), rgb(101, 143, 160).
Aa
Black text reads best on this color (5.98:1).
About this color
#658FA0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.053 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.021 away. Black text reads best on it, at 5.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.98:1 |
| White text | 3.50:1 |
Values
| HEX | #658FA0 |
| RGB | rgb(101, 143, 160) |
| HSL | hsl(197, 24%, 51%) |
| OKLCH | oklch(62.6% 0.053 225.1) |
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 #658FA0 | 3.50:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #658FA0 | 5.98:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #658FA0 text on white | 3.50:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #658FA0 text on black | 5.98:1 | AA | Lc -39.1 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#86A7B4
oklch(70.8% 0.041 223.8)
-
Step 500
500 (this color)
#658FA0
oklch(62.6% 0.053 225.1)
-
Step 600
600
#4D7B8D
oklch(55.7% 0.057 224.8)
-
Step 700
700
#3E6778
oklch(49.1% 0.053 226.4)
-
Step 800
800
#335461
oklch(42.6% 0.044 225)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#658FA0 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) | #868DA1 | 0.042 |
| Deuteranopia (no green cones) | #7D86A0 | 0.038 |
| Tritanopia (no blue cones) | #509494 | 0.035 |
| Achromatopsia (no color) | #898989 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #658FA0
#658FA0
oklch(62.6% 0.053 225.1)
- #A47E6E
#A47E6E
oklch(62.6% 0.053 43.9)
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 #658FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.021
- Light Slate Gray #778899 ΔE 0.027
- Silver Lake Blue #778DA9 ΔE 0.028
- Steel #738595 ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.040
- Steel Grey #6F828A ΔE 0.042
- Slate Gray #708090 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.044
Use #658FA0 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.