#618F98
Closest named color: Blue Grey (#758DA3). oklch(62% 0.052 211.1), rgb(97, 143, 152).
Aa
Black text reads best on this color (5.89:1).
About this color
#618F98 is a medium-light, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.052 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.032 away. Black text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #618F98 |
| RGB | rgb(97, 143, 152) |
| HSL | hsl(190, 22%, 49%) |
| OKLCH | oklch(62% 0.052 211.1) |
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 #618F98 | 3.56:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #618F98 | 5.89:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #618F98 text on white | 3.56:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #618F98 text on black | 5.89:1 | AA | Lc -38.5 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AFC5CA
oklch(80.8% 0.025 212.9)
-
Step 400
400
#84A8AF
oklch(70.7% 0.041 210.8)
-
Step 500
500 (this color)
#618F98
oklch(62% 0.052 211.1)
-
Step 600
600
#4A7C86
oklch(55.5% 0.056 211.8)
-
Step 700
700
#3B6972
oklch(49.2% 0.052 211.6)
-
Step 800
800
#31565C
oklch(42.8% 0.043 208.9)
-
Step 900
900
#2C474C
oklch(37.8% 0.034 210.4)
-
Step 950
950
#1A292C
oklch(26.9% 0.021 211.4)
#618F98 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) | #878C99 | 0.049 |
| Deuteranopia (no green cones) | #7E8598 | 0.044 |
| Tritanopia (no blue cones) | #4C9392 | 0.027 |
| Achromatopsia (no color) | #888888 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618F98
#618F98
oklch(62% 0.052 211.1)
- #A37B73
#A37B73
oklch(62% 0.052 31.4)
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 #618F98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.032
- Light Slate Gray #778899 ΔE 0.032
- Steel #738595 ΔE 0.033
- Steel Grey #6F828A ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.042
- Slate Gray #708090 ΔE 0.043
Use #618F98 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.