#618D98
Closest named color: Steel (#738595). oklch(61.6% 0.051 215), rgb(97, 141, 152).
Aa
Black text reads best on this color (5.77:1).
About this color
#618D98 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.051 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.029 away. Black text reads best on it, at 5.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #618D98 |
| RGB | rgb(97, 141, 152) |
| HSL | hsl(192, 22%, 49%) |
| OKLCH | oklch(61.6% 0.051 215) |
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 #618D98 | 3.63:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #618D98 | 5.77:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #618D98 text on white | 3.63:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #618D98 text on black | 5.77:1 | AA | Lc -37.7 | 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
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AFC5CB
oklch(80.9% 0.025 215.9)
-
Step 400
400
#85A7B0
oklch(70.6% 0.039 215.7)
-
Step 500
500 (this color)
#618D98
oklch(61.6% 0.051 215)
-
Step 600
600
#4C7C88
oklch(55.7% 0.055 215.4)
-
Step 700
700
#3D6873
oklch(49% 0.051 215.9)
-
Step 800
800
#32555E
oklch(42.7% 0.043 216)
-
Step 900
900
#2D464D
oklch(37.7% 0.033 217.2)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#618D98 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) | #858A99 | 0.046 |
| Deuteranopia (no green cones) | #7C8398 | 0.042 |
| Tritanopia (no blue cones) | #4D9190 | 0.028 |
| Achromatopsia (no color) | #868686 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618D98
#618D98
oklch(61.6% 0.051 215)
- #A17A70
#A17A70
oklch(61.5% 0.051 34.8)
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 #618D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.029
- Light Slate Gray #778899 ΔE 0.030
- Blue Grey #758DA3 ΔE 0.031
- Steel Grey #6F828A ΔE 0.034
- Slate Gray #708090 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.044
Use #618D98 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.