#618C98
Closest named color: Steel (#738595). oklch(61.3% 0.05 217.1), rgb(97, 140, 152).
Aa
Black text reads best on this color (5.71:1).
About this color
#618C98 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.050 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.027 away. Black text reads best on it, at 5.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #618C98 |
| RGB | rgb(97, 140, 152) |
| HSL | hsl(193, 22%, 49%) |
| OKLCH | oklch(61.3% 0.05 217.1) |
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 #618C98 | 3.67:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #618C98 | 5.71:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #618C98 text on white | 3.67:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #618C98 text on black | 5.71:1 | AA | Lc -37.4 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DCDF
oklch(88.6% 0.014 214.4)
-
Step 300
300
#B0C5CB
oklch(80.9% 0.024 216.8)
-
Step 400
400
#86A7B1
oklch(70.7% 0.039 218.2)
-
Step 500
500 (this color)
#618C98
oklch(61.3% 0.05 217.1)
-
Step 600
600
#4D7C88
oklch(55.7% 0.054 215.8)
-
Step 700
700
#3D6874
oklch(49.1% 0.051 217.6)
-
Step 800
800
#33555E
oklch(42.7% 0.042 216.4)
-
Step 900
900
#2D464D
oklch(37.7% 0.033 217.2)
-
Step 950
950
#1B292D
oklch(27% 0.02 217.4)
#618C98 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) | #848999 | 0.045 |
| Deuteranopia (no green cones) | #7B8298 | 0.042 |
| Tritanopia (no blue cones) | #4D9190 | 0.030 |
| Achromatopsia (no color) | #858585 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618C98
#618C98
oklch(61.3% 0.05 217.1)
- #A07A6F
#A07A6F
oklch(61.4% 0.051 36.7)
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 #618C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.027
- Light Slate Gray #778899 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.031
- Steel Grey #6F828A ΔE 0.032
- Slate Gray #708090 ΔE 0.035
- Silver Lake Blue #778DA9 ΔE 0.040
- Grey Blue #647D8E ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.042
Use #618C98 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.